128 lines
4.6 KiB
C
128 lines
4.6 KiB
C
/************************************************************************************
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* arch/arm/src/kl/kl_lowputc.h
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_KL_KINETIS_LOWPUTC_H
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#define __ARCH_ARM_SRC_KL_KINETIS_LOWPUTC_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include "kl_config.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: kl_lowsetup
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*
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* Description:
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* Called at the very beginning of _start. Performs low level initialization
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* including setup of the console UART. This UART done early so that the serial
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* console is available for debugging very early in the boot sequence.
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*
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************************************************************************************/
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void kl_lowsetup(void);
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/************************************************************************************
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* Name: kl_uartreset
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*
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* Description:
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* Reset a UART.
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*
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************************************************************************************/
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#ifdef HAVE_UART_DEVICE
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void kl_uartreset(uintptr_t uart_base);
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#endif
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/************************************************************************************
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* Name: kl_lowputc
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*
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* Description:
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* Output one character to the UART using a simple polling method.
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*
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************************************************************************************/
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#ifdef HAVE_SERIAL_CONSOLE
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void kl_lowputc(uint32_t ch);
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#endif
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/************************************************************************************
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* Name: kl_uartconfigure
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*
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* Description:
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* Configure a UART as a RS-232 UART.
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*
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************************************************************************************/
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#ifdef HAVE_UART_DEVICE
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void kl_uartconfigure(uintptr_t uart_base, uint32_t baud, uint32_t clock,
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unsigned int parity, unsigned int nbits);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_KL_KINETIS_LOWPUTC_H */
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